Update dependencies and remove unused test

The test tested for a condition that was covered by the other tests. See pytest-docker-compose#72

Author: RmStorm

.circleci/config.yml

@@ -34,7 +34,7 @@ jobs:
             tox
   publish:
     docker:
-      - image: circleci/python:3.8.0b1
+      - image: circleci/python:3.9.1
     working_directory: ~/repo
     steps:
       - checkout

requirements.txt

@@ -1,3 +1,3 @@
-tox==3.20.0
-pytest==6.0.1
-docker-compose==1.27.0
+tox==3.21.2
+pytest==6.2.1
+docker-compose==1.28.0

setup.py

@@ -7,7 +7,7 @@
     name="pytest-docker-compose",
     description="Manages Docker containers during your integration tests",
     long_description=long_description,
-    version="3.2.0",
+    version="3.2.1",
     author="Roald Storm",
     author_email="[email protected]",
     url="https://github.com/pytest-docker-compose/pytest-docker-compose",

tests/pytest_docker_compose_tests/test_single_compose_file.py

@@ -7,7 +7,7 @@ deps =
     pytest4: pytest>=4,<5
     pytest5: pytest>=5,<6
     pytest6: pytest>=6,<7
-    docker-compose==1.26.2
+    docker-compose==1.28
     pycodestyle
     mypy
 whitelist_externals=